# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=aarch64 -O0 -run-pass=legalizer %s -o -  | FileCheck %s

---
name:  test_unmerge_s4_constant
body: |
  bb.0:
    ; CHECK-LABEL: name: test_unmerge_s4_constant
    ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
    ; CHECK: $x0 = COPY [[C]](s64)
    %0:_(s8) = G_CONSTANT i8 0
    %1:_(s4), %2:_(s4)= G_UNMERGE_VALUES %0
    %3:_(s64) = G_ANYEXT %1
    $x0 = COPY %3

...

---
name:  test_unmerge_s4
body: |
  bb.0:
    liveins: $w0
    ; CHECK-LABEL: name: test_unmerge_s4
    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
    ; CHECK: [[UV:%[0-9]+]]:_(s8), [[UV1:%[0-9]+]]:_(s8), [[UV2:%[0-9]+]]:_(s8), [[UV3:%[0-9]+]]:_(s8) = G_UNMERGE_VALUES [[COPY]](s32)
    ; CHECK: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[UV]](s8)
    ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
    ; CHECK: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[ZEXT]], [[C]](s64)
    ; CHECK: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[UV]](s8)
    ; CHECK: [[ANYEXT1:%[0-9]+]]:_(s64) = G_ANYEXT [[LSHR]](s32)
    ; CHECK: $x0 = COPY [[ANYEXT]](s64)
    ; CHECK: $x1 = COPY [[ANYEXT1]](s64)
    %0:_(s32) = COPY $w0
    %1:_(s8) = G_TRUNC %0
    %2:_(s4), %3:_(s4)= G_UNMERGE_VALUES %1
    %4:_(s64) = G_ANYEXT %2
    %5:_(s64) = G_ANYEXT %3
    $x0 = COPY %4
    $x1 = COPY %5

...
